17
GP300 Portable Radios Operation with Standard Features
Voice Activated Transmission (VOX)
When hands-free operation is desired, the GP300 can be
activated by voice alone using the VOX feature. The radio
has circuitry and software internal to the radio that senses
when you speak through an accessory headset and will
automatically transmit. You will know you are transmitting
when you hear yourself in the headset speaker. Operation
is totally automatic; no external controls are required.
To Activate the VOX Feature
1. Turn the radio off.
2. Insert a headset, without a PTT button, in the acces-
sory connector on a channel programmed for VOX
operation.
3. Turn the radio on. The VOX feature will be ready to
function. You can operate the radio manually, at any
time, by pressing the PTT button.
4. Restart the VOX feature by turning the radio off/on or
changing the channel.
NOTE
An external headset accessory must be
attached to the GP300 to activate VOX opera-
tion. The radio operates normally, using the PTT
button, whenever the headset is not attached.
GP300_owners.book Page 17 Thursday, August 7, 1997 9:49 AM
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